n | a(n) |
---|---|
0 | 1 |
1 | 1 |
2 | 3 |
3 | 8 |
4 | 26 |
5 | 83 |
6 | 286 |
7 | 981 |
8 | 3493 |
9 | 12469 |
10 | 45525 |
11 | 166624 |
12 | 618123 |
13 | 2300128 |
14 | 8638210 |
15 | 32528611 |
16 | 123266486 |
17 | 468285464 |
18 | 1787276670 |
19 | 6836101525 |
20 | 26237809440 |
21 | 100895198047 |
22 | 389029486532 |
23 | 1502466389904 |
24 | 5814999975045 |
25 | 22537930750295 |
26 | 87503846935743 |
27 | 340155623048742 |
28 | 1324169995953546 |
29 | 5160356768069861 |
[1,1,3,8,26,83,286,981,3493,12469,45525,166624, 618123,2300128,8638210,32528611,123266486, 468285464,1787276670,6836101525,26237809440, 100895198047,389029486532,1502466389904, 5814999975045,22537930750295,87503846935743, 340155623048742,1324169995953546,5160356768069861] |